105030750 has 128 divisors (see below), whose sum is σ = 296524800. Its totient is φ = 24528000.

The previous prime is 105030749. The next prime is 105030767. The reversal of 105030750 is 57030501.

It is a happy number.

It is a super-2 number, since 2×105030750² = 22062916891125000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 239031 + ... + 239469.

It is an arithmetic number, because the mean of its divisors is an integer number (2316600).

Almost surely, 2^105030750 is an apocalyptic number.

105030750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 105030750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148262400).

105030750 is an abundant number, since it is smaller than the sum of its proper divisors (191494050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105030750 is a wasteful number, since it uses less digits than its factorization.

105030750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 105030750 is about 10248.4511024837. The cubic root of 105030750 is about 471.8154472160.

Adding to 105030750 its sum of digits (21), we get a triangular number (105030771 = T₁₄₄₉₃).

The spelling of 105030750 in words is "one hundred five million, thirty thousand, seven hundred fifty".